The Vt function, from the actuarial notation vt, is the discounted value at time 0 of $1 payable in t years.
See also: TruncVector.
* : Required parameter
Interest = 3.25%
Duration = 3.33
Vt(Interest, Duration) returns 0.898972
Interest = (3.25%, 5.25, 4%)
Duration = 8.33
Vt(Interest, Duration) returns 0.749229